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* Fix the format of mgsm zh and ja.

* Add change log to mgsm.

* Add newline after changelog.

* fix the issue #1391, wrong contexts in mgsm tasks

* fix yaml issue for having two target_delimiter lines. For COT tasks, keep the one with a space (default)

* regenerate all task yaml files
- change naming so that file name will match with task name
- task|file follows a consistent naming way, mgsm_(mode)_(lang) for three modes, i.e., direct, en_cot, and native_cot

* English CoTs should have a space as target_delimiter

* Update utils.py

* Apply suggestions from code review

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Co-authored-by: Hailey Schoelkopf <65563625+haileyschoelkopf@users.noreply.github.com>

* add ruff and isort. remove black and flake8

* remove unnecessary dependencies

* remove dependency from table

* change order

* ran ruff

* check 3.9

* exclude evaluator

* update CI workflow

* use ruff config in pyproject.toml

* test

* add isort rules to ruff

* sort imports

* import `make_table`

* try stages for no-commit-to-branch

* turn on mypy for pre-commit

* test

* test

* test

* change no-commit-to-branch to default

* nits

* fixed dependency